The writer must earn money in order to be able to live and to write, but he must by no means live and write for the purpose of making money.

Nothing can have value without being an object of utility.

A commodity appears at first sight an extremely obvious, trivial thing. But its analysis brings out that it is a very strange thing, abounding in metaphysical subtleties and theological niceties.

It is absolutely impossible to transcend the laws of nature. What can change in historically different circumstances is only the form in which these laws expose themselves.

There is a specter haunting Europe, the specter of Communism.

Experience praises the most happy the one who made the most people happy.

The ruling ideas of each age have ever been the ideas of its ruling class.

Anyone who knows anything of history knows that great social changes are impossible without feminine upheaval. Social progress can be measured exactly by the social position of the fair sex, the ugly ones included.

If anything is certain, it is that I myself am not a Marxist.

For the bureaucrat, the world is a mere object to be manipulated by him.

Without doubt, machinery has greatly increased the number of well-to-do idlers.

The theory of Communism may be summed up in one sentence: Abolish all private property.

We should not say that one man's hour is worth another man's hour, but rather that one man during an hour is worth just as much as another man during an hour. Time is everything, man is nothing: he is at the most time's carcass.